CN104110794B - Air-conditioning and its wind speed control method and device - Google Patents
Air-conditioning and its wind speed control method and device Download PDFInfo
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- CN104110794B CN104110794B CN201410298969.1A CN201410298969A CN104110794B CN 104110794 B CN104110794 B CN 104110794B CN 201410298969 A CN201410298969 A CN 201410298969A CN 104110794 B CN104110794 B CN 104110794B
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Abstract
The present invention relates to air-conditioning technical field, the present invention provides a kind of air-conditioning and its wind speed control method and device, and wind speed control method is comprised the following steps：By the wind speed of evaporator in real-time detection air-conditioning；Judge wind speed whether in the default wind speed range corresponding with blower fan current gear；When wind speed is not in the default wind speed range corresponding with blower fan current gear, the step of adjusting rotation speed of fan and returning and perform in real-time detection air-conditioning the wind speed by evaporator, until making wind speed be in the default wind speed range corresponding with blower fan current gear.The present invention is according to the wind speed in the air-conditioning for detecting, rotating speed to blower fan is controlled, wind speed is set to reach in preset range, avoid in different engineerings with project when the duct length for being connect is different, cause wind speed deviation in interior machine system big and influence the problem of performance, avoid by the big problem of rotating speed deviation caused by pulse detection AC blower fan simultaneously, improve the stability and comfortableness of air-conditioner system.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to air-conditioning and its wind speed control method and device.
Background technology
At present, the indoor set of air-conditioner is during engineering actual installation, by by installation environment and institute's air duct machine
The influence of the factors such as length, has different requirements to the air output of air pipe type air conditioner indoor unit.The peace different in order to meet market
Dress environment, manufacturer carries out differentiation design, produces low static pressure, middle static pressure, three kinds of wind of high static pressure to the indoor set of air-conditioning
Tube-type air conditioner air conditioner indoor machine meets the market demand, causes product specification many and poor universality.And be still present due to work
, often there is air quantity and the unmatched phenomenon of airduct in the factors such as journey construction and installation are lack of standardization, client's type selecting mistake.
In order to solve the indoor set of air-conditioner when the airduct of different size and structure is connected, constant air-out amount can be exported
Problem, extrapolate system static pressure value by detecting DC fan speed feedback in the prior art, then adjust by rotating speed control
Section air output is so as to reach the regulation of automatic constant air quantity.The program can realize automatic static-pressure but be confined to high cost DC fan,
It is unfavorable for that cost sensitivity region is applied, control is mainly realized by Rotating speed measring additionally, due to this programme, due to being detected
The limitation of precision, detection rotating speed needs certain interval range, causes static pressure adjusting deviation larger, influences static pressure regulating effect, shadow
Ring client's comfort level.
Additionally, the rotating speed that the technical scheme also having passes through pulse detection AC blower fan, and wind is exchanged by SCR control
Machine come realize automatic constant air quantity adjust, although the program can also reach constant wind quantity output purpose, due to pulse detection miss
Difference is big, and the static pressure deviation derived is bigger；Further, since the features such as controllable silicon has unstability and immunity to a disturbance difference,
So as to cause can not stably to realize that constant wind quantity is exported.
In sum, in the prior art to the actual installation of indoor apparatus of air conditioner in, exist can not be steady in a long-term automatic tune
The air output of air-conditioning internal machine is saved so as to realize the problem of constant wind quantity.
The content of the invention
It is an object of the invention to provide a kind of air-conditioning and its wind speed control method and device, it is intended to solve to be directed to existing skill
In art to the actual installation of indoor apparatus of air conditioner in, exist can not be steady in a long-term the air output for automatically adjusting air-conditioning internal machine so as to reality
The problem of existing constant wind quantity.
The present invention is achieved in that a kind of wind speed control method of air-conditioning, comprises the following steps：
The wind speed control method is comprised the following steps：
By the wind speed of evaporator in real-time detection air-conditioning；
Judge the wind speed whether in the default wind speed range corresponding with blower fan current gear；
When the wind speed is not in the default wind speed range corresponding with the blower fan current gear, adjustment blower fan turns
Speed, and return to the step of performing in the real-time detection air-conditioning wind speed by evaporator, until the wind speed be in it is described
In the corresponding default wind speed range of blower fan current gear.
The step of adjustment rotation speed of fan, is specially：
The blower voltage is raised and lowered to adjust rotation speed of fan according to first voltage adjusted value.
Adjust rotation speed of fan and detect the wind speed described, until making the wind speed be in and the blower fan current gear
It is further comprising the steps of after step in corresponding default wind speed range：
The temperature of evaporator described in real-time detection；
Judge the temperature of the evaporator whether in the preset temperature range corresponding with blower fan current gear；
When the temperature of the evaporator is not in the preset temperature range corresponding with the blower fan current gear, adjustment
Rotation speed of fan simultaneously returns to the step of performing the temperature of evaporator described in the real-time detection, until making at the temperature of the evaporator
In in the preset temperature range corresponding with the blower fan current gear.
The step of adjustment rotation speed of fan, is specially：
The blower voltage is raised and lowered to adjust rotation speed of fan according to second voltage adjusted value.
The present invention also provides a kind of air speed control device of air-conditioning, the air speed control device include wind speed measurement unit,
Wind speed judging unit and air rate adjustment unit, the wind speed measurement unit are arranged on the evaporator of air-conditioning and the wind wheel part of blower fan
Between；
The wind speed measurement unit is used for the wind speed by evaporator in real-time detection air-conditioning；
Whether the wind speed judging unit is used to judge the wind speed in the default wind speed corresponding with blower fan current gear
In the range of；
The air rate adjustment unit is used to, when the judged result of the wind speed judging unit is no, adjust rotation speed of fan,
And drive the wind speed measurement unit to work on, until the wind speed is in corresponding with the blower fan current gear presetting
In wind speed range.
The air rate adjustment unit adjust rotation speed of fan when, specially：
The blower voltage is raised and lowered to adjust rotation speed of fan according to first voltage adjusted value.
The air speed control device also includes temperature detecting unit and temperature judging unit, and the temperature detecting unit is set
On the evaporator；
The temperature detecting unit is used for the temperature of evaporator described in real-time detection；
Whether the temperature judging unit is used to judge the temperature of the evaporator corresponding with blower fan current gear
In preset temperature range；
The air rate adjustment unit is additionally operable to when the judged result of the temperature judging unit is no, and adjustment blower fan turns
Speed, and drive the temperature detecting unit to work on, until the temperature of the evaporator is in and the blower fan current gear
In corresponding preset temperature range.
The air rate adjustment unit adjust rotation speed of fan when, specially：
The blower voltage is raised and lowered to adjust rotation speed of fan according to second voltage adjusted value.
The present invention also provides a kind of air-conditioning, including evaporator and blower fan, also including above-mentioned air speed control device.
Air-conditioning and its wind speed control method and device that the present invention is provided, according to the wind speed in detection air-conditioning, to blower fan
Rotating speed is controlled, and wind speed is reached in preset range, in the control process to wind speed, due to only being detected to wind speed,
The rotating speed of detection blower fan is not needed, it is to avoid by the big problem of rotating speed deviation caused by pulse detection AC blower fan, so as to increase
Range of application is added, while improving the stability and comfortableness of air-conditioner system, has solved in the prior art in air conditioning chamber
In the actual installation of machine, exist can not be steady in a long-term the air output for automatically adjusting air-conditioning internal machine so as to realize asking for constant wind quantity
Topic, and the unitary design of low static pressure, middle static pressure and high static pressure air pipe type air conditioner indoor unit is realized, reduce air-conditioning
The production type of device manufacturer, reduces manufacturing cost.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to embodiment or description of the prior art
Needed for the accompanying drawing to be used be briefly described, it should be apparent that, drawings in the following description are only more of the invention
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the flow chart of the wind speed control method of the air-conditioning that an embodiment of the present invention is provided；
Fig. 2 is another flow chart of the wind speed control method of the air-conditioning that an embodiment of the present invention is provided；
Fig. 3 is another flow chart of the wind speed control method of the air-conditioning that an embodiment of the present invention is provided；
Fig. 4 is another flow chart of the wind speed control method of the air-conditioning that an embodiment of the present invention is provided；
Fig. 5 is the structural representation of the air speed control device that an embodiment of the present invention is provided；
Fig. 6 is the structural representation of the air speed control device that another kind embodiment of the invention is provided；
Fig. 7 is the structural representation of the air-conditioning that another kind embodiment of the invention is provided.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to illustrate technical scheme, illustrated below by specific embodiment.
An embodiment of the present invention provides a kind of wind speed control method of air-conditioning, as shown in figure 1, comprising the following steps：
By the wind speed of evaporator in S101, real-time detection air-conditioning.
S102, judge wind speed whether in the default wind speed range corresponding with blower fan current gear；
S103, when wind speed is not in default wind speed range, the rotating speed for adjusting blower fan simultaneously returns to execution step S101.
In step S102, the blower fan of air-conditioning has multiple gears, and it is specified with one that the gear of each refers specifically to blower fan
Rotating speed is operated, and a rated speed of blower fan is one gear of correspondence, and at present, the blower fan of air-conditioning typically has three shelves
Position：Wind shelves high, apoplexy grade and low wind shelves, the current gear of acquiescence is wind high shelves, wherein, each gear corresponds to one in advance
If wind speed range, after the step of detecting in air-conditioning by the wind speed of evaporator, it is first determined the current gear of blower fan, then judge
Whether wind speed is in the default wind speed range corresponding with blower fan current gear.
In addition, also include step S104 after step s 102, when wind speed is in default wind speed range in step S104
When, that is, complete the setting to blower fan wind speed.
Step S103 is actually, when wind speed is not in default wind speed range, to adjust the rotating speed of blower fan until wind speed is pre-
If in wind speed range.
In step S103, adjustment rotation speed of fan the step of be specially：
The blower voltage is raised and lowered to adjust rotation speed of fan according to first voltage adjusted value.
It should be noted that the specific embodiment of above-mentioned adjustment blower voltage is believed being input to the PWM copped waves of blower fan
Number dutycycle be adjusted, with reach increase or reduce blower voltage purpose, i.e.,：The tune of the dutycycle of PWM chopping signals
The above-mentioned first voltage adjusted value of whole value correspondence, so that blower voltage increases according to first voltage adjusted value or reduces to realize
The adjustment of rotation speed of fan, and then air quantity output control is realized, first voltage adjusted value is the n% of current voltage value, wherein n scopes
It is 1 to 20, until wind speed is reached in the default wind speed range corresponding to current gear；For example, set first voltage adjusted value as
The 10% of current voltage value, when wind speed is detected less than the lower limit for presetting wind speed range, the PWM that adjustment is input to blower fan cuts
The dutycycle of ripple signal, makes blower voltage rise 10%, then detects wind speed, if wind speed is still less than the lower limit of default wind speed range
Value, then blower voltage is risen 10% until making wind speed in default wind speed range, by the duty for adjusting PWM chopping signals
Interior machine air output is automatically adjusted than to adjust wind speed, realizing to stablize, it is ensured that the reliability and comfortableness of air-conditioning.
Further, as shown in figure 3, further comprising the steps of after step S104：
The temperature of S201, real-time detection evaporator；
S202, judge that the temperature of evaporator is no in the preset temperature range corresponding with blower fan current gear；
S203, when the temperature of evaporator is not in preset temperature range, adjust blower fan rotating speed simultaneously return to execution step
S201。
In addition, also include step S204 after step S202, when the temperature of evaporator is in default temperature in step S204
When in the range of degree, that is, complete the setting to evaporator temperature.
In step S202, each gear of the blower fan of air-conditioning also corresponds to a preset temperature range, and control unit connects
Receive temperature detecting unit transmission temperature after, according to the current gear of blower fan, judge the temperature whether with the current shelves of blower fan
In the corresponding preset temperature range in position.
Wherein, in step S203, adjustment rotation speed of fan the step of be specially：
The blower voltage is raised and lowered to adjust rotation speed of fan according to second voltage adjusted value, wherein, second voltage
Adjusted value is less than first voltage adjusted value.
It should be noted that the specific embodiment of above-mentioned adjustment blower voltage is cut by the PWM for being input to blower fan
The dutycycle of ripple signal is adjusted, to reach the purpose of increase or reduction blower voltage, i.e.,：The dutycycle of PWM chopping signals
The adjusted value above-mentioned second voltage adjusted value of correspondence so that blower voltage increase according to second voltage adjusted value or reduce with
The adjustment of rotation speed of fan is realized, and then realizes air quantity output control, second voltage adjusted value is the m%, wherein m of current voltage value
Scope is 1 to n, until temperature is reached in the preset temperature range corresponding to current gear, completes automatic air quantity regulation, is realized permanent
Determine air quantity output.
It should be noted that after the completion of wind speed regulation, into temperature detection verification, when temperature is unqualified, to blower fan
Rotating speed be finely adjusted, temperature detection be mainly used in verification, when reconciling temperature adjustment blower voltage second voltage adjusted value
Less than the first voltage adjusted value of adjustment blower voltage when reconciling wind speed, and ensure that wind speed is still when being adjusted to temperature
In above-mentioned default wind speed range, i.e., now fine setting rotating speed does not interfere with above-mentioned wind speed regulation.
For presetting wind speed range, blower fan corresponds to an optimal wind speed under each gear, according to the mistake for being allowed
Default wind speed range of the difference with optimal wind speed setting blower fan under each gear, the gear of blower fan is divided into low wind shelves, apoplexy
Shelves and wind high shelves, corresponding best match wind speed is V respectivelyi, wherein i=1,2,3；Missed because sensor has certain detection
Difference, the error amount that setting allows is B, in Vi+ B and ViIt is satisfied by requiring in the range of-B, therefore, it is V to preset wind speed rangei- B is extremely
Vi+ B is that wherein the range set of B is 1%ViTo 15%Vi。
For preset temperature range, according to error amount and optimum temperature the setting blower fan for being allowed under each gear
Preset temperature range, if best match temperature corresponding with gear is respectively Ti, wherein i=1,2,3；Because sensor has one
Determine detection error, the error amount that setting allows is A, in Ti+ A and TiIt is satisfied by requiring in the range of-A, therefore, preset wind speed range
It is Ti- A to Ti+ A is that wherein the range set of A is 1 ° to 10 °.
The present embodiment is illustrated below by specific embodiment, wherein, the gear of blower fan is wind high shelves under default situations,
First after first time installs, then normal operation 5 minutes detects to system, and judges whether operation 30 seconds, if
Through having run 30 seconds, then detecting system again is needed, if in 30 seconds, judging current wind speed V whether more than 2V3If,
It is then to control blower fan to enter low wind shelves, makes wind speed decreased, because current default gear is wind high shelves, wind speed can drops to V2With
2V2Between, control unit controlled motor enters apoplexy shelves, then makes wind speed decreased, and wind speed can be dropped by less than V3, blower fan enter wind high
Control unit control blower fan wind speed is larger than V3, control unit adjustment PWM duty cycle, make voltage decline n%, until making detection
Wind speed be located at the corresponding wind speed range V of low wind shelves3- B to V3Between+B.If user starts to set air-conditioning as low wind shelves, control
Unit control blower fan wind speed makes it be less than V1, control unit adjustment PWM duty cycle, make voltage rise n%, until making the wind of detection
Speed is located at the corresponding wind speed range V of low wind shelves1- B to V1Between+B；If user starts to set air-conditioning as apoplexy shelves, control unit
Control blower fan wind speed is larger than V2, control unit adjustment PWM duty cycle makes voltage decline n%, until making the wind speed position of detection
In the corresponding wind speed range V of low wind shelves2- B to V2Between+B, now, wind speed sets and terminates.
After being provided with to wind speed, then the temperature of evaporator is detected, judge Current Temperatures whether in blower fan gear
In corresponding preset temperature range, if Current Temperatures are less than the lower limit T of preset temperature rangeiDuring-A, control unit is adjusted
Whole PWM duty cycle, makes voltage rise m%, until making the temperature of detection be located at default temperature range Ti- A to TiBetween+A, such as
Higher limit T of the fruit Current Temperatures more than preset temperature rangeiDuring+A, control unit adjustment PWM duty cycle makes voltage reduction m%,
Until making the temperature of detection be located at default temperature range Ti- A to TiBetween+A.
Another kind embodiment of the invention provides a kind of air speed control device of air-conditioning, and air speed control device includes wind speed measurement
Unit 30, wind speed judging unit 40 and air rate adjustment unit 50, wind speed measurement unit 30 are arranged on the evaporator and blower fan of air-conditioning
Wind wheel part between the air rate adjustment unit 50 of wind speed judging unit 40；
Wind speed measurement unit 30 is used for the wind speed by evaporator in real-time detection air-conditioning；
Whether wind speed judging unit 40 is used to judge wind speed in the default wind speed range corresponding with blower fan current gear；
Air rate adjustment unit 50 is used to adjust rotation speed of fan when the judged result of wind speed judging unit 40 is no, and drives
Wind speed measurement unit 30 works on, until making wind speed be in the default wind speed range corresponding with blower fan current gear.
Preferably, wind speed measurement unit 30 is air velocity transducer.
Air rate adjustment unit adjust rotation speed of fan when, specially：
Blower voltage is raised and lowered to adjust rotation speed of fan according to first voltage adjusted value.
Specifically, air rate adjustment unit 50 adjusts blower voltage by controlling the dutycycle of PWM chopping signals, make blower fan electricity
Pressure is raised and lowered first voltage adjusted value to control rotation speed of fan.
Air speed control device also includes temperature detecting unit 60, and temperature detecting unit 60 is set on an evaporator, temperature inspection
Survey unit 60 to be connected with control unit 40, control unit 40 also includes temperature judging unit 70；
Temperature detecting unit 60 is used for the temperature of real-time detection evaporator, and the temperature of evaporator is sent into control unit
40；
Whether temperature judging unit 70 is used to judge the temperature of evaporator in the default temperature corresponding with blower fan current gear
In the range of degree；
Air rate adjustment unit 50 is additionally operable to adjust rotation speed of fan when the judged result of the temperature judging unit is no, and
Wind speed measurement unit 30 is driven to work on, until making the temperature of evaporator be in the default temperature corresponding with blower fan current gear
In the range of degree.
Preferably, temperature detecting unit 60 is temperature sensor.
Air rate adjustment unit 50 the result that temperature judging unit 70 judges as it is no when adjust blower voltage, make blower voltage
Second voltage adjusted value is raised and lowered to control rotation speed of fan, wherein, second voltage adjusted value is less than first voltage adjusted value.
Specifically, air rate adjustment unit 50 adjusts blower voltage by controlling the dutycycle of PWM chopping signals, make blower fan electricity
Pressure is raised and lowered second voltage adjusted value to control rotation speed of fan, the temperature of evaporator is located in preset temperature range.
Another kind embodiment of the invention provides a kind of air-conditioning, including above-mentioned air speed control device, airduct 1, evaporator 3,
Control box 6 and blower fan, air speed control device include wind speed measurement unit, wind speed judging unit and air rate adjustment unit, described
Wind speed measurement unit is arranged between the evaporator of air-conditioning and the wind wheel part of blower fan, and the air speed control device also includes temperature
Detection unit and temperature judging unit, the temperature detecting unit are arranged on the evaporator, and wind speed judging unit, wind speed are adjusted
Whole unit and temperature judging unit are arranged in control box 6, and wind speed measurement unit is preferably air velocity transducer 4, wind speed sensing
Device 4 is arranged between the device of evaporation 3 of air-conditioning and the wind wheel part 2 of blower fan, and air velocity transducer 4 connects control box by holding wire 5.
Air-conditioning and its wind speed control method and device that the present invention is provided, according to the wind speed in detection air-conditioning, to blower fan
Rotating speed is controlled, and wind speed is reached in preset range, in the control process to wind speed, due to only being detected to wind speed,
The rotating speed of detection blower fan is not needed, it is to avoid by the big problem of rotating speed deviation caused by pulse detection AC blower fan, so as to increase
Range of application is added, while improving the stability and comfortableness of air-conditioner system, has solved in the prior art in air conditioning chamber
In the actual installation of machine, exist can not be steady in a long-term the air output for automatically adjusting air-conditioning internal machine so as to realize asking for constant wind quantity
Topic, and the unitary design of low static pressure, middle static pressure and high static pressure air pipe type air conditioner indoor unit is realized, reduce air-conditioning
The production type of device manufacturer, reduces manufacturing cost.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
Specific implementation of the invention is confined to these explanations.For general technical staff of the technical field of the invention,
Some equivalent substitutes or obvious modification are made on the premise of not departing from present inventive concept, and performance or purposes are identical, all should
It is considered as belonging to the scope of patent protection that the claims of the present invention by being submitted to determine.
Claims (7)
1. a kind of wind speed control method of air-conditioning, it is characterised in that the wind speed control method is comprised the following steps：
By the wind speed of evaporator in real-time detection air-conditioning；
Judge the wind speed whether in the default wind speed range corresponding with blower fan current gear；
When the wind speed is not in the default wind speed range corresponding with the blower fan current gear, rotation speed of fan is adjusted, and
The step of return performs the wind speed by evaporator in the real-time detection air-conditioning, until the wind speed is in working as with the blower fan
In the corresponding default wind speed range of preceding gear；
Adjust rotation speed of fan and detect the wind speed described, until it is relative with the blower fan current gear to be in the wind speed
It is further comprising the steps of after the step in default wind speed range answered：
The temperature of evaporator described in real-time detection；
Judge the temperature of the evaporator whether in the preset temperature range corresponding with blower fan current gear；
When the temperature of the evaporator is not in the preset temperature range corresponding with the blower fan current gear, blower fan is adjusted
Rotating speed simultaneously returns to the step of performing the temperature of evaporator described in the real-time detection, until make the evaporator temperature be in
In the corresponding preset temperature range of the blower fan current gear.
2. wind speed control method as claimed in claim 1, it is characterised in that be specially the step of the adjustment rotation speed of fan：
The blower voltage is raised and lowered to adjust rotation speed of fan according to first voltage adjusted value；
The first voltage adjusted value is the n% of current voltage value, and wherein n scopes are 1 to 20.
3. wind speed control method as claimed in claim 2, it is characterised in that be specially the step of the adjustment rotation speed of fan：
The blower voltage is raised and lowered to adjust rotation speed of fan according to second voltage adjusted value；
The second voltage adjusted value is the m% of current voltage value, and wherein m scopes are 1 to n.
4. a kind of air speed control device of air-conditioning, it is characterised in that the air speed control device includes wind speed measurement unit, wind speed
Judging unit and air rate adjustment unit, the wind speed measurement unit be arranged on the evaporator of air-conditioning and blower fan wind wheel part it
Between；
The wind speed measurement unit is used for the wind speed by evaporator in real-time detection air-conditioning；
Whether the wind speed judging unit is used to judge the wind speed in the default wind speed range corresponding with blower fan current gear
It is interior；
The air rate adjustment unit is used to, when the judged result of the wind speed judging unit is no, adjust rotation speed of fan, and drive
Move the wind speed measurement unit to work on, until the wind speed is in the default wind speed corresponding with the blower fan current gear
In the range of；
The air speed control device also includes temperature detecting unit and temperature judging unit, and the temperature detecting unit is arranged on institute
State on evaporator；
The temperature detecting unit is used for the temperature of evaporator described in real-time detection；
The temperature judging unit is used to judge whether the temperature of the evaporator to be preset in corresponding with blower fan current gear
In temperature range；
The air rate adjustment unit is additionally operable to, when the judged result of the temperature judging unit is no, adjust rotation speed of fan, and
The temperature detecting unit is driven to work on, until the temperature of the evaporator is in corresponding with the blower fan current gear
Preset temperature range in.
5. air speed control device as claimed in claim 4, it is characterised in that the air rate adjustment unit is in adjustment rotation speed of fan
When, specially：
The blower voltage is raised and lowered to adjust rotation speed of fan according to first voltage adjusted value；
The first voltage adjusted value is the n% of current voltage value, and wherein n scopes are 1 to 20.
6. air speed control device as claimed in claim 4, it is characterised in that the air rate adjustment unit is in adjustment rotation speed of fan
When, specially：
The blower voltage is raised and lowered to adjust rotation speed of fan according to second voltage adjusted value；
The second voltage adjusted value is the m% of current voltage value, and wherein m scopes are 1 to n.
7. a kind of air-conditioning, including evaporator and blower fan, it is characterised in that：Also include the wind described in claim 4 to 6 any one
Velocity control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410298969.1A CN104110794B (en) | 2014-06-27 | 2014-06-27 | Air-conditioning and its wind speed control method and device |
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| CN201410298969.1A CN104110794B (en) | 2014-06-27 | 2014-06-27 | Air-conditioning and its wind speed control method and device |
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| CN107655048B (en) * | 2016-07-26 | 2023-11-03 | 华帝股份有限公司 | Range hood and constant air quantity adjusting method and system thereof |
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| CN112665204B (en) * | 2020-12-25 | 2022-09-02 | 青岛海尔空调器有限总公司 | Control method and device for double-evaporator air conditioner and double-evaporator air conditioner |
| CN112682845A (en) * | 2020-12-28 | 2021-04-20 | 青岛海信日立空调系统有限公司 | Air conditioner and automatic air volume compensation control method thereof |
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| CN113587350A (en) * | 2021-07-30 | 2021-11-02 | 广东积微科技有限公司 | PG motor control method, control system and air conditioner |
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| JP2006138580A (en) * | 2004-11-15 | 2006-06-01 | Matsushita Electric Ind Co Ltd | Air conditioner |
| JP2007285543A (en) * | 2006-04-13 | 2007-11-01 | Matsushita Electric Ind Co Ltd | Air conditioner |
| KR20090081869A (en) * | 2008-01-25 | 2009-07-29 | 위니아만도 주식회사 | Method for controlling overload of indoor unit |
| CN202074654U (en) * | 2011-05-25 | 2011-12-14 | 西安市四腾工程有限公司 | Closed-loop control system for controlling constant air volume of purification air conditioner system |
| KR20120073985A (en) * | 2010-12-27 | 2012-07-05 | 조홍현 | Method for controlling cooling/heating device of baby carriage by using solar energe |
| CN103712315A (en) * | 2012-09-29 | 2014-04-09 | 天津市亨瑞系统控制工程有限公司 | Energy-saving central air conditioner |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005147614A (en) * | 2003-11-19 | 2005-06-09 | Matsushita Electric Ind Co Ltd | Air conditioner |
| JP2006138580A (en) * | 2004-11-15 | 2006-06-01 | Matsushita Electric Ind Co Ltd | Air conditioner |
| JP2007285543A (en) * | 2006-04-13 | 2007-11-01 | Matsushita Electric Ind Co Ltd | Air conditioner |
| KR20090081869A (en) * | 2008-01-25 | 2009-07-29 | 위니아만도 주식회사 | Method for controlling overload of indoor unit |
| KR20120073985A (en) * | 2010-12-27 | 2012-07-05 | 조홍현 | Method for controlling cooling/heating device of baby carriage by using solar energe |
| CN202074654U (en) * | 2011-05-25 | 2011-12-14 | 西安市四腾工程有限公司 | Closed-loop control system for controlling constant air volume of purification air conditioner system |
| CN103712315A (en) * | 2012-09-29 | 2014-04-09 | 天津市亨瑞系统控制工程有限公司 | Energy-saving central air conditioner |
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| CN104110794A (en) | 2014-10-22 |
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